/*
 * Copyright 2010 Alessandro Bellucci
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package org.soupframework.gwt.designerpanel.client.command.impl;

import org.soupframework.gwt.designerpanel.client.designer.impl.CaptionPanelViewDesigner;
import org.soupframework.gwt.designerpanel.client.event.ObjectAddedEvent;

public class CaptionPanelSetContentCommand<T> extends CaptionPanelDesignerCommandBase<T> {

	private T oldObject;
	private T newObject;

	CaptionPanelSetContentCommand(CaptionPanelViewDesigner<T> designer, T newObject) {
		super(designer);
		this.oldObject = designer.getChildObject();
		this.newObject = newObject;
	}

	@Override
	protected void doCommandInt() {
		if(this.oldObject != null){
			this.getDesigner().removeObjectFromSelection(this.oldObject);
		}
		this.getDesigner().getOperations().addObject(this.newObject, 0, 0);
		this.getDesigner().fireEvent(new ObjectAddedEvent<T>(newObject));
	}

	@Override
	protected void undoCommandInt() {
		this.getDesigner().getOperations().removeObject(this.newObject);
		if(this.oldObject != null){
			this.getDesigner().getOperations().addObject(this.oldObject, 0, 0);
		}
	}
}
